pvr_sprite_cxt_t Struct Reference

PVR sprite context. More...

#include <dc/pvr.h>

Data Fields
int	list_type
	Primitive list.
struct {
int   alpha
	Enable or disable alpha outside modifier.
int   fog_type
	Fog type outside modifier.
int   culling
	Culling mode.
int   color_clamp
	Color clamp enable/disable outside modifier.
int   clip_mode
	Clipping mode.
}	gen
	General parameters.
struct {
int   src
	Source blending mode outside modifier.
int   dst
	Dest blending mode outside modifier.
int   src_enable
	Source blending enable outside modifier.
int   dst_enable
	Dest blending enable outside modifier.
}	blend
struct {
int   comparison
	Depth comparison mode.
int   write
	Enable or disable depth writes.
}	depth
	Depth comparison/write modes.
struct {
int   enable
	Enable/disable texturing.
int   filter
	Filtering mode.
int   mipmap
	Enable/disable mipmaps.
int   mipmap_bias
	Mipmap bias.
int   uv_flip
	Enable/disable U/V flipping.
int   uv_clamp
	Enable/disable U/V clamping.
int   alpha
	Enable/disable texture alpha.
int   env
	Texture color contribution.
int   width
	Texture width (requires a power of 2)
int   height
	Texture height (requires a power of 2)
int   format
	Texture format.
pvr_ptr_t   base
	Texture pointer.
}	txr
	Texturing params.

---

Detailed Description

PVR sprite context.

You should use this more human readable format for specifying your sprite contexts, and then compile them into sprite headers when you are ready to start using them.

Unfortunately, it seems that Doxygen chokes up a little bit on this structure, and others like it. The documentation should still be mostly understandable though...

---

Field Documentation

int pvr_sprite_cxt_t::alpha

Enable or disable alpha outside modifier.

Enable/disable texture alpha.

See also:

Enable or disable alpha blending

Enable or disable texture alpha blending

pvr_ptr_t pvr_sprite_cxt_t::base

Texture pointer.

struct { ... } pvr_sprite_cxt_t::blend

int pvr_sprite_cxt_t::clip_mode

Clipping mode.

See also:

PVR clipping modes

int pvr_sprite_cxt_t::color_clamp

Color clamp enable/disable outside modifier.

See also:

Enable or disable color clamping

int pvr_sprite_cxt_t::comparison

Depth comparison mode.

See also:

PVR depth comparison modes

int pvr_sprite_cxt_t::culling

Culling mode.

See also:

PVR culling modes

struct { ... } pvr_sprite_cxt_t::depth

Depth comparison/write modes.

int pvr_sprite_cxt_t::dst

Dest blending mode outside modifier.

See also:

PVR blending modes

int pvr_sprite_cxt_t::dst_enable

Dest blending enable outside modifier.

See also:

Enable or disable blending

int pvr_sprite_cxt_t::enable

Enable/disable texturing.

See also:

Enable or disable texturing on polygons

int pvr_sprite_cxt_t::env

Texture color contribution.

See also:

Texture color calculation modes

int pvr_sprite_cxt_t::filter

Filtering mode.

See also:

PVR texture sampling modes

int pvr_sprite_cxt_t::fog_type

Fog type outside modifier.

See also:

PVR fog modes

int pvr_sprite_cxt_t::format

Texture format.

See also:

PVR texture formats

struct { ... } pvr_sprite_cxt_t::gen

General parameters.

int pvr_sprite_cxt_t::height

Texture height (requires a power of 2)

int pvr_sprite_cxt_t::list_type

Primitive list.

See also:

PVR primitive list types

int pvr_sprite_cxt_t::mipmap

Enable/disable mipmaps.

See also:

Enable or disable PVR mipmap processing

int pvr_sprite_cxt_t::mipmap_bias

Mipmap bias.

See also:

PVR mipmap bias modes

int pvr_sprite_cxt_t::src

Source blending mode outside modifier.

See also:

PVR blending modes

int pvr_sprite_cxt_t::src_enable

Source blending enable outside modifier.

See also:

Enable or disable blending

struct { ... } pvr_sprite_cxt_t::txr

Texturing params.

int pvr_sprite_cxt_t::uv_clamp

Enable/disable U/V clamping.

See also:

Enable or disable clamping of U/V on the PVR

int pvr_sprite_cxt_t::uv_flip

Enable/disable U/V flipping.

See also:

Enable or disable U/V flipping on the PVR

int pvr_sprite_cxt_t::width

Texture width (requires a power of 2)

int pvr_sprite_cxt_t::write

Enable or disable depth writes.

See also:

Enable or disable PVR depth writes

---

The documentation for this struct was generated from the following file:

• /Users/lj/Projects/releases/kos-2.0.0-src/kernel/arch/dreamcast/include/dc/pvr.h